UPD78F1506GF-GAT-AX Renesas Electronics America, UPD78F1506GF-GAT-AX Datasheet - Page 230
UPD78F1506GF-GAT-AX
Manufacturer Part Number
UPD78F1506GF-GAT-AX
Description
MCU 16BIT 78K0R/LX3 128-LQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Lx3r
Datasheet
1.UPD78F1500GK-GAK-AX.pdf
(1016 pages)
Specifications of UPD78F1506GF-GAT-AX
Core Processor
78K/0R
Core Size
16-Bit
Speed
20MHz
Connectivity
3-Wire SIO, I²C, LIN, UART/USART
Peripherals
DMA, LCD, LVD, POR, PWM, WDT
Number Of I /o
78
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x12b, D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
- Current page: 230 of 1016
- Download datasheet (7Mb)
78K0R/Lx3
R01UH0004EJ0401 Rev.4.01
Jul 2, 2010
Caution 1. When using the X1 oscillator and XT1 oscillator, wire as follows in the area enclosed by the
Figure 5-12 shows examples of incorrect resonator connection.
Note that the XT1 oscillator is designed as a low-gain circuit for achieving low-power consumption.
broken lines in the Figures 5-10 and 5-11 to avoid an adverse effect from wiring capacitance.
• Keep the wiring length as short as possible.
• Do not cross the wiring with the other signal lines. Do not route the wiring near a signal line
• Always make the ground point of the oscillator capacitor the same potential as V
• Do not fetch signals from the oscillator.
Note the following points when designing the XT1 oscillator.
• The pins and circuit board include parasitic capacitance. Therefore, confirm that there are no
• When low-consumption oscillation or super-low-consumption oscillation is selected, lower
• Keep the wiring length between the XT1 and XT2 pins and resonator as short as possible and
• Configure the circuit board by using material with little parasitic capacitance and wire
• Place a ground pattern that has the same potential as V
• Do not cross the signal lines between the XT1 and XT2 pins and the resonator with other signal
• Moisture absorption by the circuit board and condensation on the board in a highly humid
• Coat the surface of the circuit board by using material that does not generate capacitance or
through which a high fluctuating current flows.
ground the capacitor to a ground pattern through which a high current flows.
problems by performing oscillation evaluation on the circuit board to be actually used.
power consumption than when selecting normal oscillation can be achieved. However, in this
case, the XT1 oscillation margin is reduced, so perform sufficient oscillation evaluation of the
resonator to be used for XT1 oscillation before using the resonator.
parasitic capacitance and wire resistance as small as possible. This is particularly important
when super-low-consumption oscillation (AMPHS1 = 1) is selected.
resistance.
lines. Do not route the signal lines near a signal line through which a high fluctuating current
flows.
environment may cause the impedance between the XT1 and XT2 pins to drop and disable
oscillation. When using the circuit board in such an environment, prevent the circuit board
from absorbing moisture by taking measures such as coating the circuit board.
leakage between the XT1 and XT2 pins.
SS
CHAPTER 5 CLOCK GENERATOR
(if possible) around the XT1 oscillator.
SS
. Do not
230
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